No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Arrhythmias, Cardiac / physiopathology*
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Blood Flow Velocity
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Blood Pressure
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Child
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Electrocardiography
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Female
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Humans
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Male
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Middle Aged
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Sinoatrial Node / physiopathology
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Tachycardia / physiopathology
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Vena Cava, Superior / physiopathology*
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Ventricular Fibrillation / physiopathology